Which one of the following is an example of Salt-Crystal growth?

Salt-crystal growth, also known as haloclasty, is a primary example of physical (mechanical) weathering [3]. This process occurs when saline solutions seep into rock cracks and joints and subsequently evaporate, leaving behind salt crystals [1]. These crystals expand during the crystallization process and when subjected to high temperatures, exerting significant physical pressure on the surrounding rock walls [3]. This mechanical stress leads to the disintegration of rocks into individual grains, a process known as granular disintegration [1]. While chemical weathering involves changes in mineral composition and biological weathering involves living organisms, salt-crystal growth is classified as physical weathering because it causes the mechanical breakdown of rocks without altering their chemical identity [3]. It is particularly prevalent in arid climates with high evaporation rates and in coastal regions where sea spray provides a constant salt source [3].

Sources

1. [1] Physical Geography by PMF IAS, Manjunath Thamminidi, PMF IAS (1st ed.) > Chapter 6: Geomorphic Movements > Salt Weathering > p. 85
2. [3] https://education.nationalgeographic.org/resource/weathering/